Report Summary

  • 43

    Performance

    Renders faster than
    62% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

londonlitlab.co.uk

Home - London Lit Lab

Page Load Speed

6.2 sec in total

First Response

148 ms

Resources Loaded

5.3 sec

Page Rendered

696 ms

londonlitlab.co.uk screenshot

About Website

Visit londonlitlab.co.uk now to see the best up-to-date London Lit Lab content and also check out these interesting facts you probably never knew about londonlitlab.co.uk

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Key Findings

We analyzed Londonlitlab.co.uk page load time and found that the first response time was 148 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

londonlitlab.co.uk performance score

43

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value8.8 s

1/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value420 ms

66/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value8.7 s

36/100

10%

Network Requests Diagram

londonlitlab.co.uk

148 ms

www.londonlitlab.co.uk

1221 ms

sbi-styles.min.css

121 ms

mediaelementplayer-legacy.min.css

187 ms

wp-mediaelement.min.css

183 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 88% of them (61 requests) were addressed to the original Londonlitlab.co.uk, 9% (6 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Londonlitlab.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 230.6 kB (27%)

Content Size

868.2 kB

After Optimization

637.6 kB

In fact, the total size of Londonlitlab.co.uk main page is 868.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 55% of websites need less resources to load. Images take 335.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 123.2 kB

  • Original 148.9 kB
  • After minification 146.3 kB
  • After compression 25.7 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 123.2 kB or 83% of the original size.

Image Optimization

-0%

Potential reduce by 916 B

  • Original 335.0 kB
  • After minification 334.1 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. London Lit Lab images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 43.5 kB

  • Original 218.7 kB
  • After minification 218.7 kB
  • After compression 175.2 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 43.5 kB or 20% of the original size.

CSS Optimization

-38%

Potential reduce by 63.0 kB

  • Original 165.6 kB
  • After minification 164.7 kB
  • After compression 102.6 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Londonlitlab.co.uk needs all CSS files to be minified and compressed as it can save up to 63.0 kB or 38% of the original size.

Requests Breakdown

Number of requests can be reduced by 47 (82%)

Requests Now

57

After Optimization

10

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of London Lit Lab. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

londonlitlab.co.uk accessibility score

96

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

londonlitlab.co.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

londonlitlab.co.uk SEO score

91

Search Engine Optimization Advices

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Londonlitlab.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Londonlitlab.co.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of London Lit Lab. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: